Chart correction 4722 — chart 4916

Chart 4916 [ previous update 5490/21 ] NAD83 DATUM Insert the accompanying note, AUTOMATIC IDENTIFICATION SYSTEMS, centred on: 41° 52´·82N., 123° 34´·79W.

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.